<template>
  <div class="article-page">
    <nav class="my-nav van-hairline--bottom">
      <!-- .native 为什么需要添加 
      1.组件身上没有标签元素提供的任何事件的
      2.如果写了有时间,这个只能是子组件传过来的 子组件this.$emit('click')
      3.如
      -->
      <a :class="[obj.sorter==null?'active':'']" @click="handler(null)" href="javascript:;">推荐</a>
      <a
        :class="[obj.sorter=='weight_desc'?'active':'']"
        @click="handler('weight_desc')"
        href="javascript:;"
      >最新</a>
      <div class="logo">
        <img alt src="@/assets/logo.png" />
      </div>
    </nav>

    <!-- <van-cell class="article-item">
      <template #title>
        <div class="head">
          <img
            alt
            src="http://teachoss.itheima.net/heimaQuestionMiniapp/%E5%AE%98%E6%96%B9%E9%BB%98%E8%AE%A4%E5%A4%B4%E5%83%8F%402x.png"
          />
          <div class="con">
            <p class="title van-ellipsis">宇宙头条校招前端面经</p>
            <p class="other">不风流怎样倜傥 | 2022-01-20 00-00-00</p>
          </div>
        </div>
      </template>
      <template #label>
        <div
          class="body van-multi-ellipsis--l2"
        >笔者读大三, 前端小白一枚, 正在准备春招, 人生第一次面试, 投了头条前端, 总共经历了四轮技术面试和一轮hr面, 不多说, 直接上题&nbsp;一面</div>
        <div class="foot">点赞 46 | 浏览 332</div>
      </template>
    </van-cell>-->
    <van-pull-refresh @refresh="onRefresh" v-model="refreshing">
      <van-list
        :finished="finished"
        @load="onLoad"
        finished-text="没有更多了"
        offset="100"
        style="padding-bottom:30px"
        v-model="loading"
      >
        <ArticleItem :item="item" :key="item.id" @click="goDetail(item.id)" v-for="item in list"></ArticleItem>
      </van-list>
    </van-pull-refresh>
  </div>
</template>

<script>
import { ArticleAPI } from '@/api/article.js'
import {DetailAPI} from '@/api/detail.js'
export default {
  name: 'article-page',
  data () {
    return {
      // pagenum: 0,
      // pagesize: 10,
      list: [],
      refreshing: false,
      loading: false,
      finished: false,
      obj: {
        current: 0,
        pageSize: 10,
        sorter: null
      },
    }
  },
  created () {

  },
  methods: {

    onLoad () {
      if (this.obj.current >= 3) {
        this.finished = true;
        return
      }
      this.obj.current++
      this.getArticleList()


    },

    onRefresh () {
      this.obj.current = 0
      // this.loading = true
      this.onLoad()
    },
    async getArticleList () {
      try {
        const res = await ArticleAPI(this.obj)
        console.log(res, 2222222222);
        this.list = this.refreshing ? res.data.rows : [...this.list, ...res.data.rows]

        this.loading = false;
        this.refreshing = false
        // console.log(res);
      } catch (error) {

      }
    },
    handler (str) {
      this.obj.sorter = str
      // console.log(111111)
      console.log(str)
      this.loading = true
      this.onRefresh()


    }
  }
}
</script>

<style lang="less" scoped>
.article-page {
  margin-bottom: 50px;
  margin-top: 44px;
  .my-nav {
    height: 44px;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 999;
    background: #fff;
    display: flex;
    align-items: center;
    > a {
      color: #999;
      font-size: 14px;
      line-height: 44px;
      margin-left: 20px;
      position: relative;
      transition: all 0.3s;
      &::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
        width: 0;
        height: 2px;
        background: #222;
        transition: all 0.3s;
      }
      &.active {
        color: #222;
        &::after {
          width: 14px;
        }
      }
    }
    .logo {
      flex: 1;
      display: flex;
      justify-content: flex-end;
      > img {
        width: 64px;
        height: 28px;
        display: block;
        margin-right: 10px;
      }
    }
  }
}
</style>